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Home / Glossary

Photographic Definitions & Questions

Electromagnetic Diaphragm Mechanism

An electromagnetic diaphragm mechanism in the lens barrel provides highly accurate electronic diaphragm or aperture blade control when using auto exposure during continuous shooting. With conventional D/G type lenses, the diaphragm blades are operated by mechanical linkage levers.

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40 Churton Street
Pimlico, London
SW1V 2LP, England

Telephone: +44 (0)20-7828 4925
E-mail: info@graysofwestminster.co.uk

Opening hours:
Mon - Fri: 10:00am - 5:30pm
Closed on Public and Bank Holidays

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England & Wales.

Registered office:
40 Churton Street
Pimlico, London
SW1V 2LP, England

Company Reg. No. 5652450

VAT No. 872 2684 03

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